Error Message
An unknown exception java.lang.NullPointerException was caught by Error.jsp.
Exception
java.lang.NullPointerException
Place where detected
com.ecyrd.jspwiki.PageManager.deletePage(), line 408

Can't delete page of Korean(2byte) page name. English page name is good at deletion. Maybe some error on deletion process of 2byte page name.

JSPWiki has detected an error
Error Message
An unknown exception java.lang.NullPointerException was caught by Error.jsp.
Exception
java.lang.NullPointerException
Place where detected
com.ecyrd.jspwiki.PageManager.deletePage(), line 408